Three months ago, no one knew that SARS-CoV-2 existed. Now the virus has spread to almost every country, infecting at least 446,000 people whom we know about, and many more whom we do not. It has crashed economies and broken health-care systems…

Cover photo of Carbon's prototype COVID-19 test swabs. All but one of the designs passed patient testing at Stanford and Beth Israel hospitals; Carbon eventually chose a hybrid of the two on the right. our days ago, Joe DeSimone, cofounder of 3D…

The number of businesses forced to close during the coronavirus outbreak is rising by the day. A number of these closures are temporary in nature, and now Google has stepped up by letting businesses mark themselves as 'temporary closed' in Search…

In the age of coronavirus, many of us have transformed overnight from office workers into telecommuters. And we are increasingly relying on videoconferencing apps like Zoom and FaceTime to correspond with our peers. But inevitably, with our homes…

The news: An open-access neural network called COVID-Net, released to the public this week, could help researchers around the world in a joint effort to develop an AI tool that can test people for Covid-19. You can read all of our coverage of the…